At the last moment, just before Kutusov
was set to begin, the Germans saw what was coming and Model began transferring anti-tank assets to PzAOK 2, including some of the remaining Ferdinands and the new Hornisse tank destroyers. General der Infanterie Lothar Rendulic, commander of the XXXV Armeekorps, created a particularly strong anti-tank defence on the eastern side of the salient. Despite his lacklustre performance during Operation Gallop, General-polkovnik Markian M. Popov had been given command of the Bryansk Front and was designated as the main effort of Operation Kutusov. However, the level of effort he put into planning and organizing his forces for battle was characteristically deficient. At 0330 hours on 12 July, both the Bryansk and Western Fronts commenced their offensives with a massive 150-minute artillery barrage, conducted by eight artillery divisions.131 The German front-line positions were pounded like they had never been pounded before – this was the first of a new type of Soviet offensive that dwarfed everything previously attempted by the Red Army.As the artillery fire shifted, the Soviet assault troops advanced. Popov committed seven rifle divisions from the 3rd and 63rd Armies against two of Rendulic’s infantry divisions and succeeded in pushing 5km into the German defences before his attack ran out of steam. Soviet air cover from 15th Air Army (15 VA) over Popov’s troops evaporated when Luftflotte 6 arrived over the battlefield and shot down 50 VVS aircraft. This was repeated on the second day of Popov’s offensive, when Luftwaffe Fw-190 fighters destroyed nearly 50 Il-2 Sturmoviks from 15VA, depriving Popov of his close air support.132
Nonplussed by this loss, Popov decided to commit his armour to create a breakthrough, sending in over 300 tanks, including three regiments of KV-1 heavy tanks. Back in 1939–40, the KV-1 had been designed as a breakthrough tank and this was the type of deliberate attack that it had been intended to shine in, but now in 1943 the KV-1 was just a large, slow target. Rendulic had created an effective killing zone near the village of Arkhangel’skoye, with nine Hornisse 8.8cm self-propelled guns from Panzerjäger-Kompanie 521 and some of the new towed 7.5cm Pak 41, which fired PzGr 41 Hartkern (hard-core) rounds with tungsten penetrators.[33] Advancing in broad daylight across open fields, the KV-1s from Podpolkovnik Yakov F. Dligach’s 114th Tank Regiment were shot to pieces long before most got near the German lines and the attack collapsed. The Battle of Kursk was the swan song for the KV-1 heavy tank and afterwards it was phased out in favour of a new heavy tank. Nevertheless, Popov committed General-major Mikhail F. Panov’s 1GTC, which was intended to be his exploitation force, to reinforce the 3rd Army’s attack and it was able to gain some ground, at great cost.